Reynolds American shares hit an all-time high today on news of a 2 for 1 stock split and increased quarterly dividendSDiscussing the tobacco company's earnings, with Susan Cameron, Reynolds American president and CEO.

CNBC's Meg Tirrell talks with Merck CEO Ken Frazier about the company's lung cancer drug Keytruda, and other drugs in the pipeline. Also Frazier weighs in on M&A in the pharma space and pricing pressures.

Leonard Schleifer, Regeneron president & CEO, discusses the FDA's approval of its cholesterol-lowering drug Praluent, and concerns over pricing the new drug. With Jeffrey Sonnenfeld, Yale School of Management.

Robert Iger, The Walt Disney Company CEO, discusses how Disney is using tech to innovate its products and obtain an advantage. Also Iger shares his thoughts on keeping a diverse board, Disney's bet in China, and Apple's comeback after the death of Steve Jobs. With Jeffrey Sonnenfeld, Yale School of Management.

Mark McLaughlin, Palo Alto Networks CEO, discusses what's really happening in the dangerous world of cybersecurity, as more top executives take steps to protect their companies. And Maggie Wilderotter, Frontier Communications, shares perspective.